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AS3935 Lightning Sensor
This blog is meant to talk about the AS3935 lightning sensor developed by ams. This lightning sensor is designed to help users detect lightning up to 40 km away. Beyond detection, the AS3935 has the ability to estimate the head of the storm down to 1 km. There is an embedded algorithm in this device that helps to reject man-made noise. The device is housed in a 4 mm x 4 mm package and operates on a supply voltage range of 2.4 V to 5.5 V. There are several different parameters that can be controlled on this device.
ams' AS3935 Lightning Sensor
- Noise Floor Threshold
- Analog Front End (AFE)
- Watchdog Threshold
- Spike Rejection
MikroElektronika has created a click board for the AS3935, the MIKROE-1444, which follows the mikroBUSTM standard. This allows for fast testing and developing of the AS3935 by allowing the user to simply plug the MIKROE-1444 into a host board to be programmed. Some of the host boards that can be used are the DM164137 and DM240001-3 from Microchip Technology if the user is looking to stick with the PIC architecture. There are also ARM architecture options like the MIKROE-1984, and even the MIKROE-1581 which is simply an Arduino shield. There are examples on GitHub:
- https://github.com/evsc/ThunderAndLightning
- https://github.com/raivisr/AS3935-Arduino-Library
- https://github.com/stevemarple/AS3935
- https://github.com/PlayingWithFusion/PWFusion_AS3935_I2C
This product would be a great addition to a weather station or any monitoring device that looks for lightning. This device has the ability to provide an early warning to lightning and has selectable power modes making it a light burden on a weather station. More information about this product can be found on EEWiki and if there are any questions feel free to ask them in the TechForum.
关于此作者
Pat Sagsveen 是 DigiKey 的助理应用工程技术员，负责协助客户寻找更好的利用新技术和新零件的方式来完成项目。他拥有俾斯麦州立大学电子与通信应用科学学士学位，2016 年毕业后即加入 DigiKey。Pat 对放大器特别感兴趣，业余花了很多时间制作和摆弄各种放大器，其中包括他制作的 3 管吉它放大器。
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